Rocky Mountain GRIND 20 2007 VS Kona KULA 2-4 2009 specs comparison
Rocky Mountain Grind 20
General Infos| Model | Grind 20 |
| Manufacturer | Rocky Mountain |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
-Black and Red |
| Sizes |
- Boys 12 (inches) |
| Sizes |
- Boys 12 (inches) |
Wheels And Breaking System
| Bike front tire | 20 X 1.95 (inches) Kenda |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro TS325 Levers Tektro J310 Brakes |
| Hubs for disc brakes | Alloy QR |
| Rims manufacturer | Alex Y-2000 |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. Black |
Frame and Body Specs
| Frame materials | 6061 T6 Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | RMB XC |
| Handlebar extender | Not Available |
| Handlebar stem details | RMB XC |
| Headset size | FSA |
Gearing Specifications
| Bicycle chain | KMC Z50 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | FSA Sealed |
| Crankset parts and sizes | 36 Teeth Alloy |
| Gear shift levers | Shimano Revo 6-speed |
| Rear gear set | 6-speed |
Rocky Mountain Grind 20 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Shimano FT-30 Super Short Cage |
| Fork material | Single Crown Aluminum and steel |
| Fork type | 50 (millimeters) Travel RST 200K |
Other Specs of Rocky Mountain Grind 20
| Component group sets | Shimano Mix |
| Pedals details | Big Flats |
| Rear shock absorber | Not Available |
| Saddle seat | RMB Velo |
| Seat post extension | RMB |
Kona Kula 2-4
General Infos| Model | Kula 2-4 |
| Manufacturer | Kona |
| Year of production | 2009 |
| Current price | Check price Here ==> |
| Color choice |
-Dark Blue Metallic and Pearl White |
| Sizes |
- 12 (inches) |
Wheels And Breaking System
| Bike front tire | 24 X 1.85 (inches) Maxxis MaxxDaddy |
| Bike rear tire | Not Available |
| Bike wheel size | 24 (inches) Wheels |
| Brakeset type | Shimano M486 Hydraulic Levers Shimano M486 Disc Brakes |
| Hubs for disc brakes | Rear: Shimano M475 Disc Front: Formula Disc |
| Rims manufacturer | Alex ACE-20 |
| Spoke nipples type | Not Available |
| Spoke wheel | 15ga Front and 14ga Rear Sandvic Stainless |
Frame and Body Specs
| Frame materials | Kona Clump 7005 Butted Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Kona XC and BC |
| Handlebar extender | Optional |
| Handlebar stem details | Kona XC and BC |
| Headset size | 1 1/8 (inches) TH |
Gearing Specifications
| Bicycle chain | KMC HG53 |
| Bottom bracket shell width | 68 (millimeters) |
| Bottom bracket type | FSA Powerdrive |
| Crankset parts and sizes | 22/32/44 Teeth FSA Alpha Drive |
| Gear shift levers | Shimano Deore |
| Rear gear set | 11 - 30 Teeth 9-speed |
Kona Kula 2-4 Fork System Data
| Derailleur (Front) | Shimano Deore |
| Derailleur (Rear) | Shimano SLX |
| Fork material | Single |
| Fork type | 50 (millimeters) Travel Spinner Grind 1 |
Other Specs of Kona Kula 2-4
| Component group sets | Shimano Deore |
| Pedals details | Optional |
| Rear shock absorber | Not Available |
| Saddle seat | Velo Race Jr. |
| Seat post extension | Kona XC and BC |
Useful links and guides ....
- To know more about this exacte bike, Rocky Mountain provided us with the latest version of its Grind 20 bike manual
- Find All parts, tires and accessories of Rocky Mountain Grind 20 Youth here
- Get your Kona Kula 2-4 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Kona Kula 2-4 Youth here